OFDM Relay Cognitive Radio Multiple Antennas Synchronization Channel Estimation Resource Allocation Full duplex CDMA Spectrum Sharing Spectrum Sensing Interference Cancellation Stochastic Geometry Feedback Bi-Directional Neural Networks Heterogeneous Networks Energy Harvesting Equalizer Femtocell FBMC HetNet relay networks Equalization Device-to-Device (D2D) in-band full-duplex system Reliability interference SC-FDMA LTE-based V2V interference suppression C-V2V Cell Search mode selection Spectral efficiency TVWS Channel estimation error Ultra-dense small cell MIMO Handoff Idle cells Cross-link interference Ultra Low Power non-orthogonal multiple access Duplex Ultra-dense small cell networks GFDM SINR mismatch problem channel capacity 5G Vehicle-to-vehicle communication LTE-TDD Dynamic TDD Number of training blocks Communication range End-to-end delay Power control Spatial capacity inter user interference Subband filtering Short burst transmission intersymbol interference ultra-dense small cell network CFO MPA detector timing misalignment Uplink SCMA system self interference cancellation User association Outdated channel estimation Mode 3 Time-division duplex OCBT Poisson arrival Traffic Capacity mMTC Metaheuristics antenna arrays frame structure UFMC resource block management 5G mobile communication user fairness health care body area networks WVAN maximum likelihood method resource selection distributed mode amplify and forward communication quality of service cellular radio telecommunication traffic Multi-user Receiver FS-NOMA P-NOMA Zigbee QAM QR Factorization intercarrier interference